class_docstr: Residual block.
code: def __init__(self, num_channels, name=None):
      super().__init__(name=name)
      self._num_channels = num_channels
  
imports: import collections
  import dm_env
  import haiku
  import jax.nn
  import jax.numpy
label_desc: Use image node_id 1 to create a new ResidualBlock object from inherited base classes: hk with example: obj = ResidualBlock(num_channels, name)